Does Eating Fish In Childhood Slash The Risk Of Asthma? An Expert Weighs In

The Daily Mail recently claimed consuming fish at a young age can help reduce the risk of developing asthma, but what does the science say?


3 Minutes Read

Does Eating Fish In Childhood Slash The Risk Of Asthma? An Expert Weighs In Does eating fish really lower your risk of developing asthma? - Media Credit: Adobe. Do not use without permission.

Does eating fish in childhood slash the risk of developing asthma?

The Daily Mail recently declared so. It ran a feature headlined ‘Eating plenty of salmon, mackerel and sardines in childhood can halve the risk of developing asthma, study suggests’.But what does the science actually say?

We were unable to read the full study, as it has not been published yet (a summary is available here).

It found that overall, there was no evidence of a link between the intake of omega-3s from fish and asthma in children. A difference was seen, only in children that carried a specific variant of the fatty acid desaturase (FADS) gene.

Of those, which made up around half the group, the ones who ate the most fish had half the risk of asthma compared with those who consumed the least.

The FADS gene helps the body convert ALA, the omega-3 fat found in plants, into the longer chain omega-3s EPA and DHA, which are also found in oily fish. We need these fats for our eyes and brains. They also have anti-inflammatory properties, which is why they may help lower the risk of asthma.

Moreover, people who have a mutation in the FADS gene tend to have lower levels of EPA and DHA in their blood.

It seems likely that some children (with the gene variant) who ate the least fish may have been missing out on omega-3s. But, this is a situation easily remedied but not by eating fish!

This doesn’t mean that children getting enough omega-3s can lower their risk of asthma by eating oily fish – it would make no difference. It simply means that it’s important for children to get enough omega-3s. Those who already eat enough would enjoy no benefits whatsoever from eating oily fish.

‘A government health warning’

Fish get their EPA and DHA from algae (tiny seaweed), which is naturally rich in these fats. However, all the world’s oceans are contaminated with toxic pollutants such as mercury, polychlorinated biphenyls (PCBs) and dioxins. Many of these act as damaging neurotoxins.

They can accumulate in fish as you move up the food chain, especially in oily fish, cancelling out any beneficial effects of omega-3s. This is why fish carries a government health warning saying not to consume too much.

Vegan sources of Omega-3s

You are better off getting your omega-3s from plant foods such as ground flaxseed, hempseed and their oils, chia seeds and walnuts.

If you want extra EPA and DHA, you can buy vegan supplements produced from algae. This is usually grown in controlled conditions away from the sea so it doesn’t impact on marine ecosystems or deprive fish of their natural food.

By avoiding fish and fish oils you’ll be doing yourself and the environment a favor. Moreover, you’ll be getting the safest, toxin-free omega-3 fats.

The Daily Mail repeatedly says that trout and salmon are good sources of omega-3s. Viva! recently investigated both trout and salmon fish farms and found horrific conditions at both. The diseased fish are plagued by parasites, bacterial and fungal infections and cannot be considered a health food! See for yourself here.

This article has been republished with permission from Viva! You can read the original piece here.

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